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29-11-2005, 07:51 PM
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#1
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Seasoned Member
Join Date: Oct 2004
Posts: 828
Club ID#: 2670
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mod the plenum ecr33
has anyone has the plenum modded so the throttle body is at the front?
I want to get this done and spoke to someone on here before who said they might be able to do the welding for me I just can't remember who it was.
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29-11-2005, 08:08 PM
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#2
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Seasoned Member
Drives: Lotus Esprit SE, Alfa 147, AA van
Join Date: Dec 2004
Location: Stevenage
Posts: 2,500
Club ID#: 3049
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Don't you mean one of these .
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29-11-2005, 08:36 PM
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#3
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Seasoned Member
Join Date: Oct 2004
Posts: 828
Club ID#: 2670
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the link doesn't work mate, but I am guessing you are pointing to a greddy plenum. I have seen 1 and it is the standard plenum with the throttle body cut from the side, that then blanked off and the body replaced at the front.
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29-11-2005, 09:12 PM
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#4
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Seasoned Member
Drives: Lotus Esprit SE, Alfa 147, AA van
Join Date: Dec 2004
Location: Stevenage
Posts: 2,500
Club ID#: 3049
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Yeah its a greddy one. Never seen a diy one could be very interesting.
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29-11-2005, 09:17 PM
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#5
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Seasoned Member
Join Date: Oct 2004
Posts: 828
Club ID#: 2670
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yeah i would love a greddy one but a bit too expensive for me (I wondered if a gtr one could be cut and welded to the lower part of a gtst one as well... got to be some money to be made there surely)
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29-11-2005, 11:06 PM
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#6
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Seasoned Member
Drives: R33GTS-T
Join Date: Jun 2004
Location: Lincs
Posts: 1,208
Club ID#: 1902
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ATF Power do this conversion.
http://www.atfpower.com
__________________
If you are travelling at the speed of sound, and, Fart, would you smell it before you hear it????
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29-11-2005, 11:11 PM
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#7
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Seasoned Member
Drives: R32 GTST
Join Date: Mar 2005
Location: London
Posts: 1,307
Club ID#: 3781
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The only problem I think you would find with it is:
The standard plenum lay out is to suit all 6 cylinders and the throttle body is placed centrally in the plenum and thats how it was designed, my feelings are that if you chop and weld the throttle body to the front the rear cylinders wont get the same amount of air as the fronts and could potentially cause problems.
Just my thoughts though.
Yodi
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385@.9
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29-11-2005, 11:11 PM
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#8
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Guest
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and yodi , you are right
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29-11-2005, 11:16 PM
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#9
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Seasoned Member
Drives: R33GTS-T
Join Date: Jun 2004
Location: Lincs
Posts: 1,208
Club ID#: 1902
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but, why would Greddy develop a potentially devastating plenum for the RB25?
__________________
If you are travelling at the speed of sound, and, Fart, would you smell it before you hear it????
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29-11-2005, 11:20 PM
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#10
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Seasoned Member
Drives: R32 GTST
Join Date: Mar 2005
Location: London
Posts: 1,307
Club ID#: 3781
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Quote:
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Originally Posted by jakester
but, why would Greddy develop a potentially devastating plenum for the RB25?
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they would'nt, the Greddy inlet is 100% not a standard inlet cut and re-welded. Im willing to lay money that the internal trumpets are completely differently designed to compensate for from mounted throttle body
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385@.9
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29-11-2005, 11:22 PM
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#11
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Guest
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they are , and even then thers probs on no 5 & 6
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29-11-2005, 11:24 PM
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#12
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Seasoned Member
Drives: R32 GTST
Join Date: Mar 2005
Location: London
Posts: 1,307
Club ID#: 3781
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the Greddy plenum is a bog standard R33 plenum re welded, thats all???
If so I am very very suprised
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385@.9
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29-11-2005, 11:27 PM
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#13
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Guest
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no its not , theres a old post on sdu about all this
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29-11-2005, 11:30 PM
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#14
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Seasoned Member
Drives: R32 GTST
Join Date: Mar 2005
Location: London
Posts: 1,307
Club ID#: 3781
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It cant be ive just looked at pics I have on my machine, its a completely different shape and ONLY 1 PIECE
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385@.9
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29-11-2005, 11:30 PM
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#15
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Seasoned Member
Drives: R32 GTST
Join Date: Mar 2005
Location: London
Posts: 1,307
Club ID#: 3781
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Look at the way it curves around cylinders 5 and 6, thats probably to force the air in at a higher speed
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385@.9
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